Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 3 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 03/04/2021   06:44:13   (  -0.03,-137.21) (  -0.21,-138.12)  102.61                80
 03/05/2021   06:20:52   (  -0.03,-137.21) (   0.86,-133.11)  466.23                80
 03/06/2021   18:42:24   (   0.03,-137.22) (   0.11,-137.69)   52.64                80
 03/09/2021   06:40:43   (  -0.03,-137.18) (  -0.06,-137.27)   10.55                80
 03/11/2021   18:38:55   (   0.03,-137.18) (  -0.05,-136.84)   38.33                80
 03/13/2021   06:57:54   (  -0.03,-137.15) (  -0.98,-141.43)  488.26                80
 03/14/2021   06:34:34   (  -0.03,-137.14) (   0.10,-136.43)   79.91                80
 03/15/2021   18:53:26   (   0.03,-137.13) (   0.87,-141.00)  440.19                80
 03/16/2021   18:35:26   (   0.03,-137.12) (  -0.20,-136.00)  127.66                80